1/* 2 * File: pcieport_if.h 3 * Purpose: PCI Express Port Bus Driver's IF Data Structure 4 * 5 * Copyright (C) 2004 Intel 6 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) 7 */ 8 9#ifndef _PCIEPORT_IF_H_ 10#define _PCIEPORT_IF_H_ 11 12/* Port Type */ 13#define PCIE_RC_PORT 4 /* Root port of RC */ 14#define PCIE_SW_UPSTREAM_PORT 5 /* Upstream port of Switch */ 15#define PCIE_SW_DOWNSTREAM_PORT 6 /* Downstream port of Switch */ 16#define PCIE_ANY_PORT 7 17 18/* Service Type */ 19#define PCIE_PORT_SERVICE_PME 1 /* Power Management Event */ 20#define PCIE_PORT_SERVICE_AER 2 /* Advanced Error Reporting */ 21#define PCIE_PORT_SERVICE_HP 4 /* Native Hotplug */ 22#define PCIE_PORT_SERVICE_VC 8 /* Virtual Channel */ 23 24/* Root/Upstream/Downstream Port's Interrupt Mode */ 25#define PCIE_PORT_INTx_MODE 0 26#define PCIE_PORT_MSI_MODE 1 27#define PCIE_PORT_MSIX_MODE 2 28 29struct pcie_port_service_id { 30 __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/ 31 __u32 subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */ 32 __u32 class, class_mask; /* (class,subclass,prog-if) triplet */ 33 __u32 port_type, service_type; /* Port Entity */ 34 kernel_ulong_t driver_data; 35}; 36 37struct pcie_device { 38 int irq; /* Service IRQ/MSI/MSI-X Vector */ 39 int interrupt_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */ 40 struct pcie_port_service_id id; /* Service ID */ 41 struct pci_dev *port; /* Root/Upstream/Downstream Port */ 42 void *priv_data; /* Service Private Data */ 43 struct device device; /* Generic Device Interface */ 44}; 45#define to_pcie_device(d) container_of(d, struct pcie_device, device) 46 47static inline void set_service_data(struct pcie_device *dev, void *data) 48{ 49 dev->priv_data = data; 50} 51 52static inline void* get_service_data(struct pcie_device *dev) 53{ 54 return dev->priv_data; 55} 56 57struct pcie_port_service_driver { 58 const char *name; 59 int (*probe) (struct pcie_device *dev, 60 const struct pcie_port_service_id *id); 61 void (*remove) (struct pcie_device *dev); 62 int (*suspend) (struct pcie_device *dev, pm_message_t state); 63 int (*resume) (struct pcie_device *dev); 64 65 /* Service Error Recovery Handler */ 66 struct pci_error_handlers *err_handler; 67 68 /* Link Reset Capability - AER service driver specific */ 69 pci_ers_result_t (*reset_link) (struct pci_dev *dev); 70 71 const struct pcie_port_service_id *id_table; 72 struct device_driver driver; 73}; 74#define to_service_driver(d) \ 75 container_of(d, struct pcie_port_service_driver, driver) 76 77extern int pcie_port_service_register(struct pcie_port_service_driver *new); 78extern void pcie_port_service_unregister(struct pcie_port_service_driver *new); 79 80#endif /* _PCIEPORT_IF_H_ */ 81